Home / 97,931.02-135,095.06-63,959.39

Finding the Fourth Proportional to 97,931.02, 135,095.06 and 63,959.39

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Solution

The fourth proportional to 97,931.02, 135,095.06 and 63,959.39 is: 88,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,931.02 : 135,095.06 = 63,959.39 : x
  2. Step 2: Convert to fraction form
    97,931.02/135,095.06 = 63,959.39/x
  3. Step 3: Cross multiply
    97,931.02x = 135,095.06 × 63,959.39
  4. Step 4: Simplify right side
    97,931.02x = 8,640,596,634.34
  5. Step 5: Solve for x
    x = 8,640,596,634.34/97,931.02
  6. Step 6: Final answer
    x = 88,231.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.